Hey guys heres the backdrop:

I was dating my ex last year in university (hb8) and it only lasted a few months with it ending after i took her virginity. So I return to university for second year and see her and her friend (8.5)at the local nightclub, i notice her friend is constantly watching me, i was being really cocky funny that night and approaching the friend and taking her cig and whatnot, the friend was showing no interest whatsoever at the time when my ex was there, but fastforward a few days at the gym ( this was last week with my ex not around) i approached her to apologize because i broke her cigarrette and all of a sudden she was really giggling and smiling like a little girl saying 'hey dont worry about it i dont even remember it its ok dont worry' i told her to have a good workout and left it at that for now.

pros
1. I remember whilst i was dating the ex she mentioned that her friend found me really good looking.
2. She constantly gazes at me when im at the library.
3. she is very sexually active, my ex was telling me stories of how she slept with 2 guys in one week and the very few times i see her at the club shes leaving with a guy.
4. Is quite friendly when the ex isnt around.

cons.
1. she lives with my ex.
2. shes rather close with my ex BUT i really dont think she gives a damn, she seems like the type of girl that when she wants something shell put everything else second.
At the club the ex was following her around like a puppy everywhere whilst she did her own thing.
3. i dont see her that often.

Note: One of the exs other friends who also lives with them (hb5) i have already kiss closed ( i was drunk) but she has no idea that i used to go out with the ex.

Is it possible guys? and if so, how do i go about it? What do i say and how do i escalate? is it just simple game procedure (attraction comfort etc) or do i have to change things here and there since its my exs friend? What should i avoid doing?

yes its possible.
it also seams probable.

but weather you should or not is up to you.

id do it, because your ex may get really jealous and try to win you back, and you can try to get a 3some out of it. (i can dream cant i)

DISCLAIMER: the odds of this are ridiculously slim. do not do it for just that reason.

[random opener]
you: hey! did u see the fight outside?

[dhv story on how you told protected one of your friends from getting hit.. pushing them out of the way or something]

[you two build rappor based on the fight]

you:"so you know how you've been staring at me in the library for a little while now?:)... Well there's something I need to know."
hb:"whats that?"
you: It's friday tomorrow and Im going to the club. what time you meeting me there and how late we sleepin in?

I want to be a subtle with what i do rather than str8 enquiring about her whereabouts on a friday night....any more thoughts and opinions guys?

it's a done deal.

she wants to fuck you, because her friend fucked you.

women are competitive and territorial.

it's like pissing in another animal's territory.

all you have to do is escalate.

she has already decided to fuck you.

hell, she decided to fuck you while you were with your ex.

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what dr. house brings to medicine, i bring to everyday life (an extreme dose of cynicism), don't listen to the curmudgeon!